[whatwg] CSS Filter Effects for Canvas 2D Context

Ashley Gullen ashley at scirra.com
Sat Jul 28 13:58:13 PDT 2012

> On another note, wouldn't it be nice if you could add a grouping operator
> such as this:
> gamecanvascontext.filter = '...';
> gamecanvascontext.beginGroup();
> ... // lots of drawing operators
> gamecanvascontext.endGroup();
>  and have everything in that group at endGroup time?

 Do you mean applying an effect to multiple draw operations?  Usually that
is achieved with rendering to an offscreen canvas, then rendering that with
the effect.


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